genomic DNA is repetitive, with over two-thirds of the sequence consisting of repetitive elements in humans. Some of these repeated sequences are necessary...
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DNA sequencing is the process of determining the nucleic acid sequence – the order of nucleotides in DNA. It includes any method or technology that is...
129 KB (14,415 words) - 11:32, 5 August 2024
Non-coding DNA (ncDNA) sequences are components of an organism's DNA that do not encode protein sequences. Some non-coding DNA is transcribed into functional...
42 KB (4,773 words) - 07:32, 12 July 2024
Genetic marker (redirect from DNA marker)
A genetic marker is a gene or DNA sequence with a known location on a chromosome that can be used to identify individuals or species. It can be described...
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of heterochromatin. The name "satellite DNA" refers to the phenomenon that repetitions of a short DNA sequence tend to produce a different frequency of...
15 KB (1,788 words) - 21:49, 28 July 2024
Microsatellite (redirect from Simple Sequence Repeat)
is a tract of repetitive DNA in which certain DNA motifs (ranging in length from one to six or more base pairs) are repeated, typically 5–50 times. Microsatellites...
67 KB (7,393 words) - 17:16, 28 June 2024
techniques in recombinant DNA technology. Recombinant DNA is a man-made DNA sequence that has been assembled from other DNA sequences. They can be transformed...
166 KB (17,863 words) - 08:43, 15 August 2024
of an episode of a radio or television program Repeated sequence (DNA), a pattern of nucleic acid (DNA or RNA) that occurs in multiple copies throughout...
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Tandem repeat (redirect from Tandem repeat sequence)
In genetics, tandem repeats occur in DNA when a pattern of one or more nucleotides is repeated and the repetitions are directly adjacent to each other...
10 KB (1,118 words) - 16:49, 12 July 2024
Whole genome sequencing (redirect from Whole genome sequence)
entirety, of the DNA sequence of an organism's genome at a single time. This entails sequencing all of an organism's chromosomal DNA as well as DNA contained...
113 KB (9,499 words) - 05:21, 31 July 2024
Genome (redirect from DNA genome)
the genetic information of an organism. It consists of nucleotide sequences of DNA (or RNA in RNA viruses). The nuclear genome includes protein-coding...
80 KB (7,293 words) - 17:58, 1 August 2024
without changing the sequence. When located in a gene promoter, DNA methylation typically acts to repress gene transcription. In mammals, DNA methylation is...
114 KB (13,179 words) - 02:59, 22 July 2024
Inverted repeat (redirect from Inverted repeat sequence)
direct repeats constitute types of nucleotide sequences that occur repetitively. These repeated DNA sequences often range from a pair of nucleotides to a...
31 KB (3,443 words) - 04:34, 25 October 2023
CRISPR (category Repetitive DNA sequences)
a family of DNA sequences found in the genomes of prokaryotic organisms such as bacteria and archaea. These sequences are derived from DNA fragments of...
128 KB (13,446 words) - 03:31, 12 August 2024
particularly for the spacer DNA between the many tandemly repeated copies of the ribosomal RNA genes. In bacteria, spacer DNA sequences are only a few nucleotides...
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Human genome (redirect from Human DNA)
complete set of nucleic acid sequences for humans, encoded as DNA within the 23 chromosome pairs in cell nuclei and in a small DNA molecule found within individual...
99 KB (10,153 words) - 14:37, 16 August 2024
Minisatellite (redirect from Minisatellite DNA)
minisatellite is a tract of repetitive DNA in which certain DNA motifs (ranging in length from 10–60 base pairs) are typically repeated two to several hundred times...
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Epigenetics (section DNA methylation)
a stable change of cell function, that happen without changes to the DNA sequence. The Greek prefix epi- (ἐπι- "over, outside of, around") in epigenetics...
161 KB (18,344 words) - 08:31, 28 July 2024
Junk DNA (non-functional DNA) is a DNA sequence that has no known biological function. Most organisms have some junk DNA in their genomes—mostly pseudogenes...
36 KB (3,617 words) - 16:00, 16 August 2024
Polymerase chain reaction (category DNA profiling techniques)
reagents to repeated cycles of heating and cooling to permit different temperature-dependent reactions—specifically, DNA melting and enzyme-driven DNA replication...
89 KB (11,116 words) - 06:07, 13 August 2024
bioinformatics, sequence assembly refers to aligning and merging fragments from a longer DNA sequence in order to reconstruct the original sequence. This is...
24 KB (2,864 words) - 15:34, 19 July 2024
Nucleic acid (redirect from DNA and RNA)
they contain and provide information via the nucleic acid sequence. This gives the RNA and DNA their unmistakable 'ladder-step' order of nucleotides within...
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nucleotide bases in a DNA molecule Protein sequencing Primary sequence, the sequence of a biological macromolecule Sequence analysis Sequence (medicine), a series...
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sequence-based indexing scheme. Also, the sequences of the individual strands of DNA overlapped in such a way that each region of data was repeated four...
32 KB (3,760 words) - 16:42, 4 August 2024
enzymatic DNA synthesis (in vitro DNA amplification) or gene synthesis - physically creating artificial gene sequences. Though each type of synthesis is...
14 KB (1,799 words) - 23:34, 8 April 2024
molecular biology, DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule. DNA replication occurs...
60 KB (7,286 words) - 08:26, 2 July 2024
Transcription (biology) (redirect from DNA transcription)
(ncRNAs). Both DNA and RNA are nucleic acids, which use base pairs of nucleotides as a complementary language. During transcription, a DNA sequence is read by...
58 KB (6,787 words) - 20:17, 9 August 2024
Transposable element (redirect from Tn sequence)
transposable element (TE, transposon, or jumping gene) is a nucleic acid sequence in DNA that can change its position within a genome, sometimes creating or...
60 KB (7,362 words) - 19:54, 10 May 2024
Origin of replication (redirect from DNA replication origin)
– are not defined at the level of DNA sequence; instead, they appear to be specified combinatorially by local DNA structural and chromatin cues. Eukaryotic...
113 KB (12,561 words) - 17:02, 14 May 2024
Telomere (category Repetitive DNA sequences)
discovered the unusual nature of telomeres, with their simple repeated DNA sequences composing chromosome ends. Blackburn, Carol Greider, and Jack Szostak...
43 KB (4,840 words) - 05:22, 12 August 2024